Nonbiological catalysts and enzymes tend to have a similar degree of reaction specificity. A substrate must bind to the active site before catalysis can occur. An enzyme yields a specific product, whereas a nonbiological catalyst may produce more than one product with the occurance of side reactions. Generally, an enzyme is specific for a particular substrate. For example, thrombin catalyzes the hydrolysis of the peptide bond between arg and gly. Catalysis occurs at the active site, which usually consists of a crevice on the surface of the enzyme.
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Nonbiological catalysts and enzymes tend to have a similar degree of reaction specificity. A substrate must bind to the active site before catalysis can occur. An enzyme yields a specific product, whereas a nonbiological catalyst may produce more than one product with the occurance of side reactions. Generally, an enzyme is specific for a particular substrate. For example, thrombin catalyzes the hydrolysis of the peptide bond between arg and gly. Catalysis occurs at the active site, which usually consists of a crevice on the surface of the enzyme.
The old man explains that he has forgotten his wallet and would like to sell them his ... The mother offers to simply give him the cab fare, but he insists that they take the umbrellaLike allopurinol, febuxostat is a xanthine oxidase inhibitor that prevents uric acid production and lowers elevated serum uric acid levels. Unlike allopurinol, it is a thiazolecarboxylic acid derivative, not a purine base analogue.